art.jt

Tropical South America 15s 70w

15°S, 70°W · Sam Francis · 2026-07-01

tropical-south-america-15s-70w weather artwork
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Creative Rationale

Over the high Andean plateau of Peru and Bolivia, where thin air creates extreme low pressure conditions, a gentle wind carries sparse moisture across the frigid altiplano. The exceptionally low sea-level pressure reading of 638.2 Pa suggests this atmospheric snapshot captures conditions at extreme altitude, where the air is thin and cold despite the tropical latitude. I've interpreted this as explosive color bursts concentrated at the canvas edges, with the low pressure creating heavy pools of saturated pigment that seem to accumulate under their own weight, while the moderate wind energy sends occasional splatters inward, leaving vast expanses of luminous white space in the center to represent the rarified mountain air.

Atmospheric Data

Date
2026-07-01
Location
15°S, 70°W (Tropical South America 15s 70w)
Pressure
638.2 hPa (gradient: 337.24)
Wind
3 m/s from 30°
Temperature
7.4°C (anomaly: 10.7°C)
Humidity
62%
Visual Interest Score
24

Technical Details

Model
Claude Sonnet 4 via Amazon Bedrock
Artist Inspiration
Sam Francis
Weather Source
Open-Meteo API (GFS model)
Format
SVG (2560x1440 viewBox) + PNG
Generated
2026-07-02T00:14:55.223917+00:00
Run ID
2026-07-01-235756

License: CC BY-NC-ND 4.0. Attribution: James Tannahill / art.jamestannahill.com. No commercial use or derivatives without permission.